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PPP-BOTDA technology (Patent pending)
Highly Accurate Distributed Strain Measurement [Figure 1]
NEUBRESCOPE NBX-6000
Pulse-PrePump Brillouin Optical Time Domain Analysis
Point 1 of the technology
The pre-pump pulse (PL) stimulates the acoustic wave before the measuring pulse (PD) reaches a local position. Thus, the PD as short as 1 ns will still enable the acquisition of the local (Lorentzian-shape) Brillouin gain spectrum.
